﻿<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1-4.aspx.cs" Inherits="_1_4" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:ListBox ID="ListBox1" runat="server" AutoPostBack="True" Height="177px">
                <asp:ListItem Value="1">天津</asp:ListItem>
                <asp:ListItem Value="2">上海</asp:ListItem>
                <asp:ListItem Value="3">北京</asp:ListItem>
            </asp:ListBox>
            <asp:Button   ID="Button3" runat="server" OnClick="Button3_Click" Text="&gt;&gt;" />
            <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="&gt;" Width="80px" />
            <asp:Button ID="Button1" runat="server" Height="35px" OnClick="Button1_Click" Text="&lt;" Width="32px" />

            <asp:ListBox ID="ListBox3" runat="server" Height="171px"></asp:ListBox>
        </div>
    </form>
</body>
</html>
